# \#identifier

**URL:** https://forums.sketchup.com/tag/identifier/1080.md

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## [Document identifier for Mac's multi document interface](https://forums.sketchup.com/t/document-identifier-for-macs-multi-document-interface/41777)

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**Author:** [@eneroth3](https://forums.sketchup.com/u/eneroth3)\
**Replies:** 3\
**Last updated:** [March 26, 2017, 10:20pm UTC](https://forums.sketchup.com/t/document-identifier-for-macs-multi-document-interface/41777 "2017-03-26T22:20:14Z")

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I know this has been discussed before at SketchUcation but I just find it. I need an identifier for each open model to prevent tool settings from getting mixed up when the same tool is used is multiple models on Mac. It…